/usr/share/doc/ is in coinor-libsymphony-doc 5.2.4-1.2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/coinor-libsymphony-doc/
/usr/share/doc/coinor-libsymphony-doc/examples/
/usr/share/doc/coinor-libsymphony-doc/examples/README
/usr/share/doc/coinor-libsymphony-doc/examples/sensitivity.c
/usr/share/doc/coinor-libsymphony-doc/examples/bicriteria.c
/usr/share/doc/coinor-libsymphony-doc/examples/milpOsi.c
/usr/share/doc/coinor-libsymphony-doc/examples/warm_start3.c
/usr/share/doc/coinor-libsymphony-doc/examples/milp2.c
/usr/share/doc/coinor-libsymphony-doc/examples/warm_start1.c
/usr/share/doc/coinor-libsymphony-doc/examples/milp.c
/usr/share/doc/coinor-libsymphony-doc/examples/warm_start2.c
/usr/share/doc/coinor-libsymphony-doc/examples/milpOsi2.c
/usr/share/doc/coinor-libsymphony-doc/examples/Makefile
/usr/share/doc/coinor-libsymphony-doc/README
/usr/share/doc/coinor-libsymphony-doc/copyright
/usr/share/doc/coinor-libsymphony-doc/user-guide.pdf
/usr/share/doc/coinor-libsymphony-doc/AUTHORS
/usr/share/doc/coinor-libsymphony-doc/changelog.Debian.gz